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Finding the Fourth Proportional to 6,652.43, 9,180.17 and 3,668.21

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Solution

The fourth proportional to 6,652.43, 9,180.17 and 3,668.21 is: 5,062.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,652.43 : 9,180.17 = 3,668.21 : x
  2. Step 2: Convert to fraction form
    6,652.43/9,180.17 = 3,668.21/x
  3. Step 3: Cross multiply
    6,652.43x = 9,180.17 × 3,668.21
  4. Step 4: Simplify right side
    6,652.43x = 33,674,791.40
  5. Step 5: Solve for x
    x = 33,674,791.40/6,652.43
  6. Step 6: Final answer
    x = 5,062.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.